Biology; General Genetics at Arizona State
University Bio 340 Online ASU Exam 2
Questions and Answers 100% Pass
David Mungai [Date] [Course title] Biology General Genetics at Arizona State
University Bio 340 Online ASU Exam 2
Questions and Answers 100% Pass
Loss of function Mutations - Answer>> Cause a gene to lose some or all of it's normal function
Hypomorphic mutations - Answer>> Genes that have lost only some of their function
Null mutations - Answer>> Genes that have lost all of their function
Haplo-sufficient - Answer>> One (haplo) copy is sufficient to produce the wild-type phenotype in the heterozygous genotype
Fully dominant mutations - Answer>> Phenotype of a fully dominant mutation is seen in both heterozygous and homozygous
dominant individuals.
Gain-of-function - Answer>> gene product acquires a new function or express increased wild type activity
Loss-of-function - Answer>> there is a significant decrease or complete loss of functional gene product
Incomplete dominance - Answer>> phenotype of the heterozygote is intermediate between the phenotypes of the two homozygotes on some quantitative scale (color, size, etc)
Codominance - Answer>> Phenotypes of both alleles are fully expressed in the heterozygote and leads to a different phenotype than either homozygotes.
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